Threema 4.5/5
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Threema

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By Threema GmbH (Kasper Systems GmbH)

Threema is the world’s favorite secure messenger and keeps your data out of the hands of hackers, corporations and governments. Threema can be used completely anonymously, allows to make end-to-end encrypted voice calls, and offers every feature one would expect from a state-of-the-art instant messenger.

PRIVACY AND ANONYMITY
Threema is designed to generate as little data on servers as possible – this is a core part of our concept. Group memberships and contact lists are managed on your device only, and never stored on our servers. Messages are immediately deleted after they have been delivered. Local files are stored encrypted on your mobile phone or tablet. All this effectively prevents the collection and misuse of your personal information, including meta data.

HIGHEST ENCRYPTION STRENGTH
Threema encrypts ALL your communications END-TO-END including messages, voice calls, group chats, media files and even status messages. You can rest assured that only the intended recipient can read your chats, and nobody else – not even us. Threema uses the trusted open source NaCl cryptography library for encryption. The encryption keys are generated and safely stored on user’s devices to prevent backdoor access or copies.

COMPREHENSIVE FEATURES
Threema is not only an encrypted and private messenger but also versatile and feature-rich.

• write text and send voice messages
• make voice calls (requires iPhone 5s / iOS 9 or above)
• share videos, pictures and locations
• send any type of file (pdf, animated gif, mp3, doc, zip, etc.)
• create groups
• conduct polls with the unique poll feature
• choose between a dark and a light theme
• quickly and silently reply with the unique agree/disagree feature
• verify the identity of a contact by scanning their personal QR code
• use Threema as anonymous instant messaging tool
• synchronize your contacts (optional)

FULL ANONYMITY
Each Threema user receives a random Threema ID for identification. A phone number or email address is not required to use Threema. This unique feature allows you to use Threema completely anonymously – no need to give up private information or to open an account.

TRUSTED CONTACTS
We let users confirm trusted contacts with a QR code or a key fingerprint to prevent man in the middle attacks.

INDEPENDENT COMPANY
We are a 100% independent and self-financed company in the heart of Switzerland with its own servers and in-house software development. Switzerland is a country with some of the most user friendly privacy laws in the world.

SUPPORT / CONTACT
For questions or problems please consult our FAQs: https://threema.ch/en/faq

Release Notes

12/29/2017 | Version : 3.0.5 | Size : 60.9 MB
• The length restriction for text messages was removed
• Very long messages will be split and sent as multiple messages
• Preview of circular image section when cropping the profile picture, contact pictures, and group pictures
• Fixed a crash that would occur when “Save Media to Camera Roll” was enabled without granting the respective iOS permission
• On iOS 9, settings that are unavailable ("Push preview" and "Show nickname") are not displayed
• Improvements for iPhone X
• Resolved an issue that could occur when calling on speaker
• General improvements and bug fixes

10/20/2017 | Version : 3.0.1 | Size : 80.3 MB
• Fixed a bug that could reset the nickname and/or profile picture in certain cases
• Removed audio filter that caused low volume of voice recordings
• Fixed a bug that could, in some rare cases, reset the Sync Contacts setting
• On the lock screen, tap and hold the Threema icon to invoke the alphanumeric keyboard
• General improvements and miscellaneous bug fixes

8/10/2017 | Version : 2.10.1 | Size : 23.8 MB
• Various bug fixes

Rankings

Categories :
#7 : Top Paid iPhone Applications [Social Networking]
#81 : Top Paid iPad Applications [Social Networking]

Screenshots iPhone / iPod :

Screenshots iPhone / iPod Screenshots iPhone / iPod Screenshots iPhone / iPod Screenshots iPhone / iPod Screenshots iPhone / iPod

Screenshots iPad :

Screenshots iPad Screenshots iPad Screenshots iPad Screenshots iPad Screenshots iPad

Category

Utilities , Social Networking


Supported Devices : iPad 2 Wifi , iPad Wifi , iPad 2 3G , iPad 3G , iPod Touch 4th Gen , iPhone 4 , iPhone 3GS , iPod Touch 3rd Gen , iPad 4th Gen , iPad Mini 4G , iPhone 4S , iPhone 5 , iPad 3rd Gen , iPod Touch 5th Gen , iPad Mini , iPad 3rd Gen 4G , iPad 4th Gen 4G , iPhone 5C , iPhone 5S , iPod Touch 4th Gen , iPhone6 Plus , iPhone6 , iPod Touch 6th Gen , iPad 2 Wifi , iPad 2 3G , iPhone 4S , iPad 3rd Gen , iPad 3rd Gen 4G , iPhone 5 , iPod Touch 5th Gen , iPad 4th Gen , iPad 4th Gen 4G , iPad Mini , iPad Mini 4G , iPhone 5C , iPhone 5S , iPad Air , iPad Air Cel , iPad Mini Retina , iPad Mini Retina Cel , iPhone6 , iPhone6 Plus , iPad Air 2 , iPad Air 2 Cel , iPad Mini 3 , iPad Mini 3 Cel , iPod Touch 6th Gen , iPhone 6s , iPhone 6s Plus , iPad Mini 4 , iPad Mini 4 Cel , iPad Pro , iPad Pro Cel , iPad Pro 97 , iPad Pro 97 Cel , iPhone SE , iPhone 7 , iPhone 7 Plus , iPad 6.11 , iPad 6.12 , iPad 7.1 , iPad 7.2 , iPad 7.3 , iPad 7.4 , , ,

Comments and Ratings for Threema

good job (2.10.0)
5/26/2017 3:20:51 AM 5/5 By splif.me
ya guys got this right

Love threema (2.10.0)
5/15/2017 8:55:27 AM 4/5 By Christian-stone
Always good updates, probably my most used app... but wonder why web threema has never been rolled out to iOS?

Review (2.9.1)
4/18/2017 4:20:59 PM 5/5 By _SourceE_
Great. Love it

👍🏽 (2.9.0)
4/11/2017 1:41:27 PM 5/5 By Erdyydxb
The best in the market

Could be 5 stars (2.9.0)
4/6/2017 5:14:26 AM 2/5 By kingfish66
Audio sounds great but there's two things that ruin the app for me first is no Bluetooth support, yea that Bluetooth headset will not record for this app, you can listen on Bluetooth but you can transmit using it, the second thing is no continuous playback, I'm in a group that posts a lot and I'm an interstate trucker so the idea of clicking on every message to listen to it is to distracting while driving and extremely time consuming, fix those two issues and I'm in for 5 stars

If you care about privacy use this app (2.8.0)
2/8/2017 10:02:16 AM 5/5 By greener2009
The application offers anonymity and security. It does not link to a phone number or email. It uses a separate key.

Great private messaging app! (2.8.0)
1/11/2017 1:15:23 PM 5/5 By dforvendetta
I love this app and love the focus on security. It's recently become one of my favorite apps and I want to convince more people to use it.

Love the security (2.8.0)
1/8/2017 4:11:45 AM 5/5 By DJJaxe
I am very security oriented and I enjoy this app. I do agree that no being able to backup more than 20MB is frustrating, but the privacy and security is worth the wait for that to be fixed. I also enjoy that this app can be separately locked unlike just about all of the other messengers out there. And I like that the accounts are NOT going to get purged if they are over a year old and have no activity.

The Best Secure Messenger of All! (2.8.0)
1/2/2017 8:31:10 AM 5/5 By <unavailable>
Threema offers the best security of any encrypted messaging app available! Not only is it based in the pro-privacy country of Switzerland, but it has also been comprehensively audited by a reputable Swiss security firm and found to have no vulnerabilities. The other great thing that makes it unique is that only you have access to your private key and you can exchange public keys directly with friends and family, which proves the identity of your contacts. This robust authentication protects your communications to a greater degree than similar apps. For more confirmation, check out past Security Now podcasts for why Threema is the best messenger you can get. If you are looking for a messaging app that gets security right, look no further than Threema.

great secure messaging app (2.8.0)
12/16/2016 5:52:52 AM 5/5 By MikesTooLz
when you need security, this is the app to get.


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